Home / 12,371.41-18,557.12-10,173.47

Finding the Fourth Proportional to 12,371.41, 18,557.12 and 10,173.47

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Solution

The fourth proportional to 12,371.41, 18,557.12 and 10,173.47 is: 15,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.41 : 18,557.12 = 10,173.47 : x
  2. Step 2: Convert to fraction form
    12,371.41/18,557.12 = 10,173.47/x
  3. Step 3: Cross multiply
    12,371.41x = 18,557.12 × 10,173.47
  4. Step 4: Simplify right side
    12,371.41x = 188,790,299.13
  5. Step 5: Solve for x
    x = 188,790,299.13/12,371.41
  6. Step 6: Final answer
    x = 15,260.21

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.